MAP: Catholic population changes in Pennsylvania 1980-2010

By Eugene TauberOf The Morning Call

Philadelphia last hosted a papal visit in 1979 and is preparing for Pope Francis' arrival in September. Below is a county-by-county and diocese-by-diocese look at the number of Catholics in 1980 and 2010, the latest statewide Catholic population figures available, as the visit nears.

Counties are shaded according to their respective dioceses. Click on a county to see both its statistics and those of its diocese.